Answer:
biology is not a physical science, as physical sciences deal with nonliving things such as atoms and whatnot. biology is a biological science
Explanation:
The answer will be increase slightly and then decrease. Hope you get it!
Energy in organisms is homeostasis cells I believe
Rbc dont have a nucleus to pack more haemoglobin. it also has a biconcave shape to increase surface area.... idk about the other two. sorry
